rtl_coherent. Synchronized RTL-SDR receivers and direction finding
176geckokapula. EFR32-based handheld transceiver
65rtl-trx. RTL-SDR as RTTY transceiver
40sxxcvr. SX1255 as a software defined radio transceiver (repository for software)
26audacity-sdr. Audacity plugins to process SDR recordings
17spektri. Spectrum analysis and digital downconversion of high sample rates
13fl2k-tool. WSPR transmitter for FL2K
11suo. Modem library
6osmo-tetra-dmo. C
5rtl-sdr. RTL-SDR experimental branch
5efr32-template. Makefile-based template for EFR32 microcontrollers
5HamLTE. 4G LTE software radio implementation for radio amateurs
5mtetra. Rust
4openwebrx. Open source, multi-user SDR receiver software with a web interface
4shmbuffer. Quick and dirty shared memory ring buffer written to speed up OpenWebRX
4digimoppe. Modifying old FM tranceivers for FSK
4rf-frontends. Miscellaneous RF front-end circuits
3sdrglue. Glue software defined radios together with software that only supports demodulated audio
2harmonic-test. Quick experiment on using LimeSDR harmonics to measure filter responses
2csdr. A simple DSP library and command-line tool for Software Defined Radio.
2gr-oh2eat. Miscellaneous GNU Radio blocks
2gqrx. Software defined radio receiver powered by GNU Radio and Qt.
2sekvensseri. Simple sequencer for making music with signal generators
1libsddc. Low level library for wideband SDR receivers
1rust-soapysdr. Rust bindings for SoapySDR, the vendor-neutral software defined radio hardware abstraction layer
1micropython. MicroPython - a lean and efficient Python implementation for microcontrollers and constrained systems
1